Within a set of related tables I end up with data about a house. Related to that house I want to add only 1 insurance (1-to-1-relation). You can add rows to the insurance table but I want to limit that to 1. When the 1 insurance is there “Add” should disappear. Is there a way to do that.
Set “Max. nested rows” to 1 does not prevent from creating a next row. Only doesn’t show more then 1 in the first in-line view.
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